package com.ct.ah.lab.dao;

import com.ct.ah.lab.entity.User;

public interface UserDao {
    //判断用户名是否重复
    public int getByUserName(String username);
    //用户注册
    public void regist(User user);
    //用户登录
    public User login(String username);
    public void changePassword(User user);
    public void changeUserInfo(User updateUser);
}
